Surrogacy allows a same sex male couple to have a uterus for (well, one of their) biological children to grow and develop it.  They would also need an egg donor, which may or may not be the same person who is acting as the surrogate.  It is ethical because both the biological father, the surrogate, … Read more

I would think any type of stress could affect ones fertility. Stress can affect every other aspect of your health, so yes it can.